My question involves child support in the State of: Texas. I'm an active duty military member that recently found out that I am paying back child support for a child that I do not know is mine. The child is now 4 yrs old, and the only thing I know is that the girl and I did have a one night stand, and a month later (4+ years ago) she told me she was pregnant and that she wanted to keep the child but she said I didn't have to worry about anything. I guess she went to the court after 4 yrs and told them that she wants me to pay child support. I have not done a DNA test, do not know if my name is on the birth certificate, and again it has been 4 yrs. What are my legal rights and how do they go about taking money without doing a DNA test to prove this, and who must pay for the DNA test if the mother wants me to pay child support for a child that might not be mine?